body, h1, table, input {
    margin: 0;
    padding: 0;
    border: 0;
    font-family: Arial, sans-serif;
}

body {
    background-color: #f5f5f5;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}

h1 {
    font-size: 24px;
    color: #333;
    margin-bottom: 20px;
}

form {
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

table {
    width: 100%;
    border-collapse: collapse;
}

td {
    padding: 10px;
    text-align: center;
}

input[type="text"] {
    width: calc(100% - 20px);
    padding: 10px;
    margin-left: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 16px;
}

input[type="button"] {
    width: 80px;
    padding: 10px;
    margin: 10px 0;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
}

input[type="button"][value="保存"] {
    background-color: #28a745;
    color: #fff;
}

input[type="button"][value="取消"] {
    background-color: #dc3545;
    color: #fff;
}